Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5401892 | Preparation of a dimethyltetralin by cyclizing an orthotolylpentene phenylhexene using an ultra-stable crystalline aluminosilicate molecular sieve y-zeolite | David L. Sikkenga, Ian C. Zaenger, Joyce D. Lamb | 1995-03-28 |
| 5284987 | Preparation of a dimethyltetralin in a distillation reactor | David L. Sikkenga, Ian C. Zaenger | 1994-02-08 |
| 5118892 | Preparation of a dimethylnaphthalene | David L. Sikkenga, Ian C. Zaenger | 1992-06-02 |
| 5073670 | Preparation of a dimethyltetralin | David L. Sikkenga, Joyce D. Lamb, Ian C. Zaenger | 1991-12-17 |
| 5034561 | Catalytic alkenylbenzene cyclization | David L. Sikkenga, Ian C. Zaenger | 1991-07-23 |
| 5030781 | Preparation of a dimethyltetralin | David L. Sikkenga, Ian C. Zaenger | 1991-07-09 |
| 5012024 | Preparation of a dimethylnaphthalene | David L. Sikkenga, Ian C. Zaenger | 1991-04-30 |
| 4999326 | Palladium catalyst reactivation | David L. Sikkenga, Ian C. Zaenger | 1991-03-12 |
| 4962260 | Preparation of a dimethylnaphthalene | David L. Sikkenga, Ian C. Zaenger | 1990-10-09 |
| 4950825 | Preparation of a dimethyltetralin | David L. Sikkenga, Joyce D. Lamb, Ian C. Zaenger | 1990-08-21 |